Watts Aerco Benchmark Series - Page 101

Benchmark Platinum-Edge: Operation-Service Manual
SECTION 8 – MAINTENANCE
OMM-0137_D • GF-211 • 7/16/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 101 of 146
Figure 8-1b: Igniter-Injector & Flame Detector (BMK 1500/3000)
Figure 8-1c: Igniter-Injector & Flame Detector (BMK 2500/3000)
Figure 8-1d. Igniter-Injector Orientation (BMK 2500/3000 Shown)
BLOWER
PLENUM
IGNITER-
INJECTOR
ASSEMBLY
FLAME
DETECTOR
FLAME
OBSERVATION
PORT
O
2
SENSOR
BLOWER
PLENUM
IGNITOR-INJECTOR
ASSEMBLY
FLAME
DETECTOR
BURNER
FLAME OBSERVATION PORT
O
2
SENSOR
BURNER
O2 SENSOR
IGNITER-INJECTOR
INJECTOR TUBE
POSITION
INJECTOR TUBE
INSIDE THIS ARC
(towards blower
plenum)